Job Location: Kuala Lampur, Malaysia, In office

Role Summary

We are seeking an experienced Application Migration & Modernisation Specialist with strong hands-on AWS expertise. The role will assess enterprise applications, define migration and modernisation strategies, design target-state AWS architectures, execute migrations, and transform legacy applications into secure, scalable and cloud-native solutions. The position requires practical capability across application architecture, AWS migration services, containers, databases, DevOps, APIs and application modernisation.

Key Responsibilities - Application Assessment & Migration

- Assess legacy, on-premises and existing cloud applications for AWS migration readiness.
- Conduct application discovery, dependency mapping, technical assessment and migration complexity analysis.
- Define migration strategies using the 7Rs: Retain, Retire, Rehost, Relocate, Repurchase, Replatform and Refactor.
- Develop migration waves, sequencing, implementation plans, cutover plans, rollback procedures and migration runbooks.
- Identify technical risks, application dependencies, downtime requirements and remediation actions.
- Execute and support end-to-end production application migrations to AWS, including post-migration validation, optimisation and stabilisation.

Application Modernisation

- Modernise monolithic and legacy applications into modular, microservices or cloud-native architectures.
- Refactor and re-platform applications for AWS; modernise runtimes, frameworks, middleware and integration patterns.
- Design containerised solutions using Docker, Amazon ECS and Amazon EKS.
- Implement serverless patterns using AWS Lambda where technically appropriate.
- Modernise integrations using REST APIs, API Gateway, messaging and event-driven architectures.
- Improve scalability, resilience, maintainability, security, observability and application performance.

AWS Architecture & Engineering

- Design secure, highly available, resilient and scalable AWS application architectures.
- Hands-on experience with Amazon EC2, ECS, EKS, Lambda, RDS/Aurora, S3, VPC, Elastic Load Balancing, CloudFront,

Route 53 and CloudWatch.
- Strong working knowledge of AWS IAM, Secrets Manager, Systems Manager, Migration Hub and AWS Application Migration

Service.
- Design backup, disaster recovery and business continuity solutions on AWS.




- Apply AWS Well-Architected Framework principles across security, reliability, performance, operational excellence and cost optimisation.

Database & Data Migration

- Assess application database dependencies and define database migration approaches.
- Support migrations involving Oracle, SQL Server, PostgreSQL, MySQL, DB2 and other enterprise database platforms.
- Modernise workloads toward Amazon RDS, Amazon Aurora and other appropriate AWS managed database services.
- Use AWS Database Migration Service (AWS DMS) and related migration tooling where applicable.
- Perform migration validation, reconciliation, performance testing and production readiness checks.

DevOps, Automation & Security

- Implement or enhance CI/CD pipelines for migrated and modernised applications.
- Use Infrastructure as Code with Terraform, AWS CloudFormation and/or AWS CDK.
- Automate infrastructure provisioning, application deployment and configuration management.
- Embed security controls into the software delivery lifecycle and apply DevSecOps practices.
- Implement logging, monitoring, alerting and observability using AWS CloudWatch and relevant enterprise tooling.

Mandatory Requirements

- 7-12+ years of overall IT/application engineering experience.
- Minimum 3-5 years of hands-on AWS experience is mandatory.
- Proven experience delivering enterprise application migration and modernisation projects on AWS is mandatory.
- Hands-on production migration experience from on-premises environments to AWS.
- Strong understanding of legacy, three-tier, web, API, microservices and cloud-native application architectures.
- Strong knowledge of AWS compute, networking, storage, databases, security and migration services.
- Experience with application rehosting, re-platforming, refactoring and cloud-native modernisation.
- Hands-on experience with Docker, Kubernetes/EKS, CI/CD, Git and Infrastructure as Code.
- Strong understanding of Linux and/or Windows application environments, IAM, encryption, networking and cloud governance.
- Ability to troubleshoot complex application,



infrastructure, database and migration issues.

Preferred Technical Experience

- Application stacks: Java, .NET/.NET Core, Python, Node.js and Spring Boot.
- Databases: Oracle, SQL Server, PostgreSQL, MySQL and DB2.
- DevOps: Jenkins, GitLab CI/CD, GitHub Actions and AWS CodePipeline.
- Integration: REST APIs, API Gateway, Kafka, Amazon MSK, SQS, SNS and EventBridge.
- Observability: CloudWatch, OpenTelemetry, ELK and Grafana.

AWS Certifications - Preferred
- AWS Certified Solutions Architect - Associate or Professional.
- AWS Certified DevOps Engineer - Professional.
- AWS Certified Developer - Associate.
- Candidates without certification must demonstrate substantial hands-on AWS migration and modernisation delivery experience.

Key Deliverables

- Application discovery and dependency assessment; migration readiness assessment; 7R classification and migration strategy.
- AWS target architecture and migration wave plan; technical design and remediation plan.
- Migration runbook; cutover and rollback plan; database migration and infrastructure automation.
- Performance, security and production readiness validation; hypercare and stabilisation.
- Architecture, deployment, operational and knowledge-transfer documentation.

KRA / KPI

- Migration Delivery: Applications migrated within approved scope, schedule and quality targets.
- Migration Success: Target of ≥98% successful production migrations without critical rollback.
- Availability: Meet agreed SLA and resilience targets during and after migration.
- Security: Zero unresolved critical security findings at production go-live.
- Automation: Infrastructure and deployments automated wherever technically feasible.
- Quality: Minimal production incidents, unplanned downtime and migration-related defects.
- Documentation: Complete technical, architecture, migration, operational and handover documentation.

Candidate Profile The ideal candidate is a hands-on AWS application migration and modernisation specialist, not solely a cloud infrastructure administrator. The candidate must be able to understand application code, architecture, databases, integrations and infrastructure, and translate existing enterprise applications into secure and scalable AWS architectures. AWS production migration experience is a mandatory selection criterion for this position

📌 AWS Application Migration & Modernisation Specialist (Hyderabad)
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